Anteater

 Beauty Of Animal | Anteater | The anteater, also known as antbears are the four mammal species of the suborder Vermilingua (which means "language of the worm"), commonly known for eating ants and termites. Together with the sloths, they compose the order pilosa. The name "anteater" also applies to the relationship colloquially anteater, numbat, echidnas and pangolins.

Existing species include the giant anteater Myrmecophaga tridactyla, about 1.8 m (5 ft 11 in) long including the tail, the silky anteater Cyclopes didactylus, about 35 cm (14 inches) long, southern Tamandua Tamandua anteater or necklace tetradactyla, about 1.2 m (3 feet 11 inches) long, and Northern Tamandua Tamandua anteaters similar Mexican dimensions.The are more closely related than they are lazy any another group of mammals, including armadillos, its next closest relationships.

All species except the giant anteater has a prehensile tail. Anteaters are solitary mammals most willing to defend its 1.0 to 1.5 km2 (2.6 to 2.9 km2) in the territories. Normally, do not enter the territory of another anteater of the same sex, but males tend to enter the territory of women partners.

 The anteater has poor eyesight but an excellent sense of smell, and most of the latter species depend for fodder, food, and defense. Their sense of hearing is thought to be good. With a body temperature ranges from 33 to 36 ° C (91 and 97 ° F), anteaters have lower body temperature of all mammals, and can tolerate greater fluctuations in body temperature than most mammals.

Anteaters are specialized to feed on ants and termites, each species of anteater that have their own preferences and favorite insects: small species specialize in arboreal insects that live in small branches, while larger species can penetrate the hard shell of the nests of terrestrial insects. The anteater's tongue is covered with tiny hooks thousands of filiform papillae that are used to keep insects, along with large amounts of saliva. Anteater habitats include tropical dry forests, woodlands, grasslands and savannas.

The giant anteater almost entirely terrestrial (Myrmecophaga tridactyla) lives in the savannas. Both the genus Tamandua anteaters, south of (Tamandua tetradactyla) and tamanduas (Tamandua mexicana), are much smaller than the giant anteater, and differs essentially the same in their habits, being mainly arboreal. . This similarity is why anteaters are also commonly called "anteater," pangolin has been called the "scaly anteater" and the word "Antbear" is a common term for both the anteater and the giant anteater .

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Black-Footed Ferret

 

Beauty Of Animal | Black-Footed Ferret | The black-footed ferret (Mustela nigripes), also known as the polecat or prairie dog hunter of America is a kind of natural Mustelid to central North America. It was declared extinct in 1979 to Lucille Hogg's dog brought a dead black-footed ferret to your door in Meeteetse, Wyoming in 1981. That the remnant population of a dozen ferrets that lasted until the animals are considered extinct in the wild in 1987.

 The black-footed ferret is approximately the size of a mink, polecat and differs from Europe's largest dark contrast between its members and the body was pale and shorter duration of its black tail tip. In contrast, differences between black-footed ferret and the polecat steppe of Asia are mild to the point where the two species was once thought that congener. The only notable differences between the black-footed ferret and the polecat steppe are the first hair much shorter and thicker, larger ears and longer extension postmolar palate.

Ancestor more likely, the black-footed ferret Mustela was stromeri (of which the European and steppe polecat also derived), which originated in Europe during the Middle Pleistocene. Molecular evidence indicates that the steppe polecat and black-footed ferret Mustela stromeri separated sometime between 500,000 and 2,000,000 years ago, perhaps in Beringia. . Anecdotal observations and 42% of the examined fossil records indicate that any large colony of ground squirrels medium to large size of the colony, as Richardson's ground squirrels, can provide a sufficient basis and a source of prey dens for black-footed ferrets.

 This suggests that the black-footed ferrets and prairie dogs historically have not forced predator-prey relationship. The species has probably always been rare, and modern black-footed ferret population is a relic. The black-footed ferret is a very long body and a blunt head. The forehead is broad and arched, and the snout is short. Few whiskers, and ears are triangular, short, erect, broad at the base. The neck is long and legs short and stout. The toes are armed with sharp claws, very slightly arched. Feet on both surfaces are covered with hair, even plants, thus hiding the claws. .) Captive-bred ferrets used for reintroduction projects were found to be smaller than their wild counterparts, although these animals rapidly reached historical body sizes, once released.

The feet, the bottoms of the legs, tail tip and the region of the foreskin are sooty black. The area midway between the front and hind legs is characterized by a large dark spot in the shade of brown, which fades into the buffy the surrounding areas. A small spot is produced in each eye, with a narrow band behind the black mask. The sides of the head and ears are dirty white.

Since 2007, the total wild population of black-footed ferrets were over 650 people (over 250 in captivity) in the U.S.. In 2008, the IUCN classifies the species as endangered worldwide, a substantial improvement since 1996-when the evaluation was considered extinct in the wild because at that time the species was in fact only survive in captivity . The black-footed ferret is listed as "Endangered" under the Act, Endangered Species since September 20, 2005.

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Beaver

Beauty Of Animal | Beaver | The beavers (genus Castor) is a predominantly nocturnal, large, semi-aquatic rodents. Castor comprises two species of North American beaver (Castor canadensis) (native to North America) and the Eurasian beaver (Castor fiber) (Eurasia). Beavers are known for building dams, canals, and lodges (homes). They are the second largest rodent in the world (after the capybara). Their colonies one or more dams to provide still, deep water to protect against predators, and food and building materials float. The North American beaver population was once over 60 million, but in 1988 was 6 to 12,000,000. The population decline is due to extensive hunting for fur, for glands used as medicine and perfume, and because their harvesting of trees and flooding in streams can interfere with other land uses

Beavers are known for their natural functions to build dams on the rivers and streams, and build their homes (known as "scientists") in the resulting pond. Beavers also build canals float building materials that are difficult to transport over land. They use powerful front teeth to trees and other plants that they use both the building and food cutting. In the absence of existing ponds, beavers build dams before they build their huts. First, the vertical piles, fill between the poles with a crisscross of horizontally oriented branches. The openings between the branches with a combination of weeds and mud to the dam impounds enough water to surround the lodge.

Scientific classification

Kingdom:     Animalia
Tribe:         Chordata
Class:         Mammalia
Order:         Rodentia
Family:        Castoridae
Genus:         Castor

They are the only remaining members of the family Castoridae that a single species, Castor contains. Genetic research has shown that European and North American beaver populations are different species and that hybridization is unlikely. Beavers are closely related to squirrels (Sciuridae), agreeing in certain structural features in the mandible and the skull. In the Sciuridae the two main bones (tibia and fibula) in the lower half of the leg is completely separated, the tail is round and hairy, and the habitats and trees on the land. The beavers or Castoridae these bones are in close contact with their subject, the tail is depressed, widened and scaly, and their habitat is water.

Habitat for the beaver is the riparian zone, including the power bed. The actions of beavers for hundreds or thousands of years ("not specific enough to control") in the Northern Hemisphere have kept these watery systems healthy and in good condition, although a human observing the downed trees might think that beavers did exactly the opposite. The beaver works as a keystone species in an ecosystem by creating wetlands that are used by many other species. Besides humans, no other preserved animals seem to do more to shape the landscape

Beavers fell trees for several reasons. They fell large trees, usually at strategic locations around the base of a dam has to offer, but the European beavers tend to have a small diameter (<10 cm) trees for this purpose. Beavers fell small trees, especially young second growth of trees for food. Deciduous trees grow out again as a coppice, which provides easy to stems and leaves to reach for food in subsequent years. Ponds created by beavers can also kill some trees by drowning, but this leads to standing dead wood, which is very important for a wide variety of animals and plants

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Fur Seal

 

Beauty Of Animal | Fur Seal | Fur seals are one of the nine species of pinnipeds Otariidae family. One species, the northern fur seal (Callorhinus ursinus) lives in the North Pacific, while seven species in the Arctocephalus genus are found mainly in the southern hemisphere. They are more akin to sea lions than true seals, and with them auricle (atria), relatively long and muscular foreflippers, and the ability to walk on all fours. They are characterized by their close undercoat, which makes them for a long time for commercial game.

Until recently, fur seals all grouped in a subfamily of pinnipeds called Arctocephalinae in order to compare them with Otariinae - the sea lions - based on the most prominent common feature, namely the coat guard hairs mixed with dense undercoat. Recent genetic research suggests Callorhinus is closely related to some sea lion species, and the fur seal / sealion subfamily distinction has disappeared from many taxonomies. But all the fur seals have certain characteristics in common: The coat is generally smaller size, more and longer foraging trips, smaller and more abundant prey and more sexual dimorfi. For these reasons, the distinction remains useful.

Fur seals with other otariids the ability to make their hind legs and head on hands and feet. Fur seals are generally smaller than sea lions. In less than 1 meter (3 feet 3 inches), the seal coat is Galapagos the smallest of all Pinnipeds. However, their flippers are generally relatively long, their fur is often darker and vibrissae more prominent. Males are often more than five times heavier than females, making them among the most sexually dimorphic of all mammal groups.

Typically, fur seals gather during the summer months each year in large collections on specific beaches or rocks to feed and breed. All species are polygynous, meaning dominant males reproduce with more than one wife. For most species lasts a total gestation period of 11.5 months, including a number of months delayed implantation of the embryo. While northern fur seal males aggressively select and defend the special women in their harem, males of species of southern fur seals tend to spatial areas to protect, and women can freely choose whether to change their partners based on their personal preferences or social hierarchy . After several consecutive days to take care of the newborn pups, the women go on longer foraging trips, which can be as long as a week, returning to the colony to feed their young until they are weaned. Males rapidly during the reproductive season, be prepared to leave their wives or areas.

The rest of the year, fur belts a primary pelagic existence in the open sea where prey is abundant and plentiful. Fur seals are eating sized fish, squid and krill. Several species of southern fur seals also seabirds, especially penguins, as part of their diet. The fur seals themselves are attacked by sharks, killer whales and the occasional large sea lions. The fur seals were hunted in the late 18 and early 19th century, they took on remote islands where there are no predators. Prisoners reported being able to club the unwary animals killed one after another, making the search for profits, even if the price per seal-skin layer was

Many fur seal species were heavily exploited by commercial hunters, especially in the 19th century when their fur was highly prized. Beginning in the 1790s, the ports of Stonington and New Haven, Connecticut were leaders of the American fur seal trade, which mainly involves going fur seals to death on uninhabited South Pacific islands, skinning them and selling the hides in China. Many people, especially Guadalupe fur seal, northern fur seal and Cape fur seal, suffered a dramatic decline and is still recovering. Currently, most species are protected and hunting is usually limited to subsistence harvest. Worldwide, most stocks are considered as healthy, especially because they often prefer remote habitats that are relatively inaccessible to humans. However, environmental degradation, competition with fisheries and climate change potentially pose threats to some populations.

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Gelada

Beauty Of Animal | Gelada | The gelada (Theropithecus Gelada), also called the Gelada Baboon, is a species of Old World monkey found only in the Ethiopian highlands, with large populations in the Semien Mountains. Theropithecus is derived from the Greek root words for "beast-ape." Like its close relatives the baboons (genus Papio), the largely terrestrial, spending much of his time foraging in the grasslands. Since 1979, it is customary to place the Gelada in its own genus (Theropithecus), though some genetic research suggests that monkey must in fact be grouped with his family papionine, other investigators have classified this species even further away Papio.  

While Theropithecus gelada is the only living species of the genus, separate, larger species known from fossils: T. brumpti, T. and T. darti oswaldi, formerly classified in genus Simopithecus. Theropithecus, while restricted at present in Ethiopia, is also known from fossil specimens found in Africa and the Mediterranean in Asia, including South Africa, Malawi, Democratic Republic of Congo, Tanzania, Uganda, Kenya, Ethiopia, Algeria, Morocco , Spain and India, more precisely in Mirzapur, Cueva Victoria, Pirro Nord, Terni Fine, Hadar, Turkana, Makapansgat and Swartkrans.

In 2008, the IUCN assessed the Gelada as Least Concern, although their population was reduced from an estimated 440,000 in 1970 to about 200,000 in 2008. It is included in Appendix II of CITES. Major threats to the Gelada are a reduction in their range as a result of agricultural expansion, and shoot as crop pests. However, threats that ever existed, but not be captured for use as laboratory animals and shoot their capes to obtain garments to make. As of 2008 its proposals for a new Blue Nile Gorge National Park and Indeltu (Shebelle) Gorges Reserve to larger numbers to protect

The gelada is large and robust. It is covered with light yellow to dark, coarse hair and a pale face with dark eyes. His arms and legs are almost black. The short tail ends in a tuft of hair. Adult males have a long, heavy cape of hair on their backs. The gelada has a bald face with a short snout, closer to a chimpanzee than a baboon. It can also be physically distinguished from the bright spot baboon skin on the chest. This patch is hourglass-shaped. In men, the bright red and surrounded by white hair on women is much less pronounced. However, when in estrus, the female patch lighter, and a "chain" of the fluid-filled blisters form on the patch. This is considered to be analogous to the buttocks, in the majority of the swollen baboons experienced oestrus. In addition, females have buttons on the skin around their patches. Geladas well developed ischial callosities. There is sexual dimorphism in this species: males averaged 18.5 kg (40.8 lb) while females are smaller, averaging 11 kg (24.3 lb). The head and body length of this species is 50-75 cm (19.7-29,5 cm) for both sexes. Tail length 30-50 cm (11.8 to 19.7 cm).

Geladas live in a complex multi-company, similar to that of the hamadryas baboon. The smallest reproductive units and fundamental groups which are composed of 12 women, youth and one to four males and all male unit consisting of two 15 men. The next level of gelada societies are the bands that consist of two to 27 reproductive units and some all-male units. Herds of up to 60 units reproductive sometimes from various bands and last a short period. Communities are one to four bands whose home ranges overlap extensively. A gelada can usually live to about 20 years old.

Within the reproductive units, the females are often closely related and have strong social ties. Reproductive units are split as they are too big. While the females have a strong social ties in the group, a female will only interact with up to three other members of her unit. Grooming and other social interactions in women usually occur between the pairs.  Women in a reproductive unit in a hierarchy. Higher-ranking females have greater reproductive success and more offspring than lower-ranking women. Closely related women tend to have a similar hierarchical status. The females remain in their own units for the lives of women leave cases are rare. Aggression is rare in a reproductive unit, usually directed against members of other units. More often, the females start conflicts, but both men and women from both sides will join as the conflict escalates. Also aggression within a reproductive unit is usually between women

The gelada some changes for the land and grass-lifestyle. It has small, firm fingers suitable for pulling grass and narrow, small front teeth adapted for chewing. The gelada has a unique gait, known as the shuffle gait, who used to run. The squats bipedally and stays with her feet without the attitude. By this way of walking, the Gelada hidden under the fuselage and not available for viewing, its bright red breast patch is visible, though.

Adult geladas use a diverse repertoire of sounds various purposes, such as: contact, reassurance, reconciliation, encouragement, ambivalence, aggression and defense. They sit and talk with each other, means for the people who in a way, the individual "talk". To a certain extent be in connection with the call of an individual. Moreover, women identify their estrus calls. Geladas communicate though gestures, as well. They show threats by flipping the lip back on their nose to their teeth and gums to display and by pulling back their scalps to the pale eyelids display. A gelada states by fleeing or present themselves.

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Elk

Beauty Of Animal | Elk | The elk or wapiti (Cervus canadensis) is one of the largest species of deer in the world, and one of the largest land mammals in North America and East Asia. It was long believed to be a subspecies of the European red deer (Cervus elaphus), but evidence from a 2004 study of the mitochondrial DNA indicates that the two are different species.

 

This animal should not be confused with the larger moose (Alces alces) with the name "elk" applies in Eurasia. Apart from the elk, the only other member of the deer family to rival the elk in size, the South Asian Sambar (Rusa unicolor). Any offer in forest and forest-edge habitat, eating grasses, plants, leaves and bark. Although native to North America and East Asia, they have adapted well to countries where they are introduced, including Argentina, Australia and New Zealand. Their great adaptability can threaten native species and ecosystems in which they were introduced.

 

Male elk have large antlers which are shed each year. The males are also engaged in ritual mating behavior during the rut, including posture, antler wrestling (sparring) and bugling, a loud series of noises that established dominance over other males and attracts females. Each sensitive to a number of infectious diseases, some of which are transferred cattle. Efforts to eliminate infectious diseases from elk populations, largely through vaccination, have mixed success.Some cultures revere the elk as a spiritual force. In parts of Asia, antlers and their velvet are used in traditional medicines. Elk are hunted as a game species, the meat is leaner and higher in protein than meat or chicken

 

Early European explorers in North America, who were familiar with the smaller red deer of Europe, thought that the great North American animals looked like a moose, and thus gave it the name moose, which is the common European name for elk. The word moose is related to the Latin alces, Old Norse elgr, Scandinavian elg / algae and German Nurnberg, all of which refer to the animal known in North America as the moose.The name wapiti is from the Shawnee and Cree word waapiti, which means "white rump." This name is used in particular for the Asian subspecies (Altai wapiti, Tian Shan wapiti, Manchurian and Alashan wapiti wapiti), since the name moose in Eurasia are still used for the elk.

 

Asian subspecies are sometimes referred to as the maral, but this name is mostly applicable to the Caspian red deer (Cervus elaphus maral), a subspecies of red deer. There is a subspecies of elk in Mongolia called the Altai wapiti (Cervus canadensis sibiricus), also known as the Altai Maral, Siberian Siberian elk or moose. (This use of the "Siberian moose" is ambiguous because the name also refers to Alces alces ssp. Cameloides Members of the genus Cervus (and asked relatives or possible ancestors of the moose) first appear in the fossil record 25 million years ago during the Oligocene in Eurasia, but not in the North American fossils appear until the early Miocene. The extinct Irish Elk (Megaloceros) was not a member of the genus Cervus, but the largest member of the wider deer family (Cervidae) known from the fossils

Until recently, red deer and elk regarded as a species, Cervus elaphus. But mitochondrial DNA analysis, performed on hundreds of samples in 2004 from red deer and elk subspecies and other species of the Cervus deer family, are strong indications that elk, or wapiti, a separate species, namely Cervus canadensis. The previous format had more than a dozen subspecies under the C. elaphus species designation; DNA evidence concludes that elk are more closely related to Thorold's deer Sika deer and even then they are for the red deer. Although elk and red deer can produce fertile offspring in captivity, geographic isolation between the species in the wild and differences in mating behavior to indicate that reproduction between them outside a controlled environment would be unlikely. However, the two species have quite inter-bred in New Zealand Fiordland National Park, where the cross-bred animals have all but the pure elk blood removed from the area.

 

There are numerous subspecies of elk described, with six from North America and four from Asia, although some taxonomists consider them different ecotypes or varieties of the same species (adapted to local environments through minor changes in appearance and behavior). The populations differ on antler shape and size, body size, color and mating behavior. DNA testing of the Eurasian subspecies revealed that phenotypic variation in antlers, mane and rump patch development are based on "climatic-related lifestyle factors." Of the six subspecies of elk known to have inhabited North America in historic times, four, still including the Roosevelt (C. canadensis roosevelti), Tule (C. canadensis nannodes), Manitoban (C. canadensis manitobensis) and Rocky Mountain (C. canadensis nelsoni).  The Eastern elk (C. canadensis canadensis) and Merriam's Elk (C. canadensis merriami) subspecies are extinct for at least a century

 

Four subspecies described in Asia include the Altai Wapiti (C. canadensis sibiricus) and the Tianshan Wapiti (C. canadensis songaricus). Two distinct subspecies found in China and Korea are the Manchurian wapiti (C. canadensis xanthopygus) and the Alashan wapitis (C. canadensis alashanicus). The Manchurian wapiti is darker and more reddish in color than the other populations. The Alashan wapiti in north central China is the smallest of all subspecies, the lightest color and has been studied the least. Biologist Valerius Geist, who has written about the different species of deer in the world, states that only three subspecies of elk. Geist recognizes the Manchurian and Alashan wapiti but places all other elk in the C. canadensis canadensis, argue that the classification of the four remaining North American groups as subspecies is driven at least partly for political purposes to individualized conservation and protective measures to secure for each of the surviving populations.

Recent DNA studies indicate that no more than three or four subspecies of elk. All American forms appear to belong to a subspecies (Cervus canadensis canadensis). Even the Siberian elk (Cervus canadensis sibiricus) are more or less identical to the American forms and, therefore, belong to this subspecies, too. However the Manchurian wapiti (Cervus canadensis xanthopygus) is clearly distinct from the Siberian forms, but indistinguishable from the Alashan wapiti. The Chinese forms MacNeill's Deer, Kansu deer, and Tibetan red deer are also among the wapitis and were indistinguishable from each other by mitochondrial DNA analysis. This Chinese subspecies are sometimes treated as a separate species, namely the Central Asian Red Deer (Cervus wallichi), including the Kashmir stag

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